package com.zb.kc.order.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.github.wxpay.sdk.WXPayUtil;
import com.zb.kc.order.entity.Order;
import com.zb.kc.order.entity.PayLog;
import com.zb.kc.order.dao.PayLogDao;
import com.zb.kc.order.service.OrderService;
import com.zb.kc.order.service.PayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zb.kc.order.utils.HttpClient;
import com.zb.kc.servicebase.exceptionhandler.KgcException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author wanggen
 * @since 2020-04-23
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogDao, PayLog> implements PayLogService {

    @Autowired
    private OrderService orderService;

    @Override
    public Map<String, String> createNative(String orderNo) {
        try {
            // 根据订单号查询订单信息
            Order order = orderService.getOne(new QueryWrapper<Order>().eq("order_no", orderNo));
            // 使用map设置生成二维码需要的参数
            Map<String, String> m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("body", order.getCourseTitle());
            m.put("out_trade_no", orderNo);
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue() + "");
            // 这个在实际工作中是域名 例子：baidu.com
            m.put("spbill_create_ip", "127.0.0.1");
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify");
            m.put("trade_type", "NATIVE");
            // 发送httpclient请求，传递参数xml格式，微信支付提供的固定的地址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            // 得到发送请求返回结果
            client.post();
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            // 最终返回数据的封装
            Map<String, String> finalResultMap = new HashMap<>();
            finalResultMap.put("out_trade_no", orderNo);
            finalResultMap.put("course_id", order.getCourseId());
            finalResultMap.put("total_fee", order.getTotalFee().longValue() + "");
            finalResultMap.put("result_code", resultMap.get("result_code"));
            finalResultMap.put("code_url", resultMap.get("code_url"));
            return finalResultMap;
        } catch (Exception e) {
            e.printStackTrace();
            throw new KgcException(50000, "生成二维码失败");
        }
    }

    @Override
    public Map<String, String> queryPayStatus(String orderNo) {
        // 使用map设置生成二维码需要的参数
        try {
            Map<String, String> m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

            // 发送httpclient
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();
            String xml = client.getContent();
            Map<String, String> map = WXPayUtil.xmlToMap(xml);
            return map;
        } catch (Exception e) {
            e.printStackTrace();
            throw new KgcException(50000, "查询订单状态错误");
        }
    }

    /**
     * 添加支付记录和更新订单状态
     *
     * @param map
     */
    @Override
    public void updateOrderStatus(Map<String, String> map) {
        // 从map获取订单号
        String orderNo = map.get("out_trade_no");
        //根据订单id查询订单信息
        QueryWrapper<Order> wrapper = new QueryWrapper<>();
        wrapper.eq("order_no", orderNo);
        Order order = orderService.getOne(wrapper);
        // 更新订单表订单状态
        if (order.getStatus().intValue() == 1) {
            return;
        }
        order.setStatus(1);
        orderService.updateById(order);
        // 向支付表添加支付记录
        //记录支付日志
        PayLog payLog = new PayLog();
        payLog.setOrderNo(order.getOrderNo());//支付订单号
        payLog.setPayTime(new Date());
        payLog.setPayType(1);//支付类型
        payLog.setTotalFee(order.getTotalFee());//总金额(分)
        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id"));
        payLog.setAttr(JSONObject.toJSONString(map));
        baseMapper.insert(payLog);//插入到支付日志表
    }
}
